• Size of application: Inside Diameter (ID) 1/2"(12mm-13mm), Outside Diameter (OD)5/8"(15mm-16mm), height of the item is 1 5/8"(40mm). It will snugly fit your boat, Let your row smooth and quiet.
• Package includes: You will get 4 pcs ore lock bushings. Oar stops will fit tightly, and won't fall out on their own. The bushing will fit perfectly for the oarlock horns in your boat.
• Easy to use:Nylon oarlock socket bushings, a hammer can be used to gently hammer the installation. Bushings convert 5/8" oarlock sockets to 1/2", and minimizing metal-on-metal friction.
• Durable material: It is made of nylon, the outside of the oarlock bushing has many thread ring, provides long wear, won't slip or slide. It will much easier to row when the oars are firmly seated.
• Warm tips: If you are not satisfied for any reason, just return for a refund of your purchase price; we promise 24 hours customer support, please feel free to contact us for any product&order problem.